12523500430 has 96 divisors (see below), whose sum is σ = 26796096000. Its totient is φ = 4127289600.

The previous prime is 12523500413. The next prime is 12523500491. The reversal of 12523500430 is 3400532521.

It is a junction number, because it is equal to n+sod(n) for n = 12523500395 and 12523500404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8353821 + ... + 8355319.

It is an arithmetic number, because the mean of its divisors is an integer number (279126000).

Almost surely, 2^12523500430 is an apocalyptic number.

12523500430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12523500430 is an abundant number, since it is smaller than the sum of its proper divisors (14272595570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12523500430 is a wasteful number, since it uses less digits than its factorization.

12523500430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 12523500430 in words is "twelve billion, five hundred twenty-three million, five hundred thousand, four hundred thirty".